. >> our family is hurting from losing a great person and our heart goes out to carla and their two children. >> reporter: we're also learning more about the man authorities say ambushed shoppers before killing himself. detectives say 22-year-old jacob roberts wore a hockey mask during the rampage. the suspected shooter's family expressed shock and grief through a friend on wednesday. >> she is very sad, wants everyone to know that she's so sorry what jake did and that it's so out of his character. >> reporter: deputies say the 22-year-old stole the semi- automatic rifle he used from someone he knew, a rifle they say jammed at one point. adding the tragedy could have been much worse. in a tisch la lance reporting. >>> pop star justin bieber was reportedly the target of a murder plot. investigators say a convicted serial killer is behind bars commissioned two men to kill the teen. the felon wanted four people including bieber and his bodyguard kills. the proposed hit men were arrested. >>> the favorite iphone app that's better than ever. >> sick of fees when you fly? the industry could change